Apache MRQL 0.9.2-incubating 发布,此版本现已提供在这里。 主要更新内容如下: 新特性Bugs 修复[MRQL-22] The compiler must load the hadoop core lib before compilation [MRQL-28] Fixed dumping of HDFS sequence file in Spark mode [MRQL-31] Broken hyperlink in website [MRQL-33] Fix various bugs in iteration queries [MRQL-36] Fix evaluation errors during Junit testing
改进[MRQL-21] Modify shell scripts to work on Mac OS [MRQL-24] Improve Serializable methods for Spark [MRQL-25] Changed Translator/Evaluator interface to improve Spark efficiency [MRQL-26] Support for Spark 0.8.1 [MRQL-27] Improve the build process and support hadoop 0.20.x [MRQL-30] Improved run scripts and support for Spark on YARN [MRQL-32] Refactoring directory structure for Eclipse [MRQL-34] Introduce junit for testing [MRQL-37] Support installation on a Cloudera CDH distribution [MRQL-38] Support for Spark 1.0.0
任务更多更新内容请看发行说明,安装指导请看这里。 MRQL (发音 miracle) 是一个查询处理和优化系统,适用于大规模分布式的数据分析。MRQL (MapReduce Query
Language) 是一个在计算机集群中对大规模数据的类 SQL 查询语言。MRQL 查询处理系统可使用如下三种模式评估 MRQL 查询: 使用 Hadoop 的 Map-Reduce 模式 使用 Apache Hama 的 BSP 模式 (Bulk Synchronous Parallel mode) 基于 Apache Spark 的 Spark 模式
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